:root{

    --bg:#071018;
    --bg2:#0f172a;

    --card:rgba(255,255,255,.05);

    --border:rgba(255,255,255,.08);

    --primary:#7c3aed;
    --secondary:#06b6d4;

    --text:#e5e7eb;
    --muted:#94a3b8;

}
body.light{

    --bg:#f8fafc;
    --bg2:#ffffff;

    --card:rgba(255,255,255,.95);

    --border:rgba(15,23,42,.08);

    --text:#0f172a;

    --muted:#475569;
    --secondary: #00404c;
    background:
            linear-gradient(
                    180deg,
                    #f8fafc,
                    #eef2ff
            );

}
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Inter,Segoe UI,sans-serif;
    scroll-behavior:smooth;
}

body{

    background:
            linear-gradient(
                    180deg,
                    var(--bg),
                    var(--bg2)
            );

    color:var(--text);

    overflow-x:hidden;

    transition:.35s ease;

}

.glow{
    position:fixed;
    width:500px;
    height:500px;
    background:radial-gradient(circle,rgba(124,58,237,.18),transparent 70%);
    pointer-events:none;
    z-index:0;
    transform:translate(-50%,-50%);
}

nav{
    position:fixed;
    top:0;
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 7%;
    backdrop-filter:blur(12px);
    background:rgba(7,16,24,.55);
    border-bottom:1px solid var(--border);
    z-index:999;
}

.logo{
    font-size:1.1rem;
    font-weight:700;
    color:var(--secondary);
}

nav ul{
    display:flex;
    gap:25px;
    list-style:none;
}

nav a{
    color:var(--muted);
    text-decoration:none;
    transition:.3s;
}

nav a:hover{
    color:var(--secondary);
}

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:140px 8% 80px;
    position:relative;
    z-index:1;
}

.hero-content{
    max-width:900px;
    text-align:center;
}

.badge{
    display:inline-block;
    padding:10px 18px;
    border:1px solid var(--border);
    border-radius:999px;
    background:rgba(255,255,255,.03);
    margin-bottom:25px;
    color:var(--secondary);
}

h1{
    font-size:4rem;
    line-height:1.1;
    margin-bottom:20px;
}

.gradient{
    background:linear-gradient(90deg,var(--primary),var(--secondary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero p{
    font-size:1.15rem;
    color:var(--muted);
    max-width:760px;
    margin:auto;
    line-height:1.8;
}

.buttons{
    display:flex;
    justify-content:center;
    gap:20px;
    margin-top:40px;
    flex-wrap:wrap;
}

.btn{
    padding:16px 28px;
    border-radius:14px;
    text-decoration:none;
    font-weight:600;
    transition:.35s;
}

.primary{
    background:linear-gradient(90deg,var(--primary),var(--secondary));
    color:white;
}

.secondary{
    border:1px solid var(--border);
    color:white;
}

.btn:hover{
    transform:translateY(-4px);
}

section{
    padding:100px 8%;
    position:relative;
    z-index:1;
}

.section-title{
    font-size:2rem;
    margin-bottom:50px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
}

.card{

    background:var(--card);
    border:1px solid var(--border);
    padding:28px;
    border-radius:22px;
    backdrop-filter:blur(10px);
    transition:.35s;

}
.theme-toggle{

    width:52px;
    height:52px;

    display:flex;

    align-items:center;
    justify-content:center;

    border-radius:16px;

    cursor:pointer;

    background:var(--card);

    border:1px solid var(--border);

    font-size:1rem;

    transition:.35s;

}

.theme-toggle:hover{

    transform:translateY(-3px);

    border-color:var(--primary);

}

.theme-toggle i{

    color:var(--secondary);

}

.card:hover{
    transform:translateY(-8px);
    border-color:rgba(124,58,237,.5);
}

.card h3{
    margin-bottom:15px;
}

.card p{
    color:var(--muted);
    line-height:1.8;
}

.stack-item{
    padding:14px;
    background:rgba(255,255,255,.03);
    border-radius:14px;
    margin-bottom:12px;
}

.timeline{
    border-left:2px solid rgba(124,58,237,.4);
    padding-left:30px;
}

.timeline-item{
    margin-bottom:45px;
    position:relative;
}

.timeline-item::before{
    content:"";
    position:absolute;
    left:-39px;
    top:5px;
    width:16px;
    height:16px;
    background:var(--secondary);
    border-radius:50%;
}

.timeline h3{
    margin-bottom:8px;
}

.timeline span{
    display:block;
    color:var(--secondary);
    margin-bottom:10px;
}

footer{
    padding:70px 8%;
    text-align:center;
    border-top:1px solid var(--border);
    color:var(--muted);
}

.socials{
    display:flex;
    justify-content:center;
    gap:18px;
    margin-top:25px;
    flex-wrap:wrap;
}

.socials a{
    color:var(--secondary);
    text-decoration:none;
    padding:14px 20px;
    border-radius:14px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--border);
    transition:.3s;
}

.socials a:hover{
    background:var(--primary);
}

.fade{
    opacity:0;
    transform:translateY(35px);
    transition:.8s;
}

.fade.show{
    opacity:1;
    transform:translateY(0);
}

@media(max-width:900px){

    h1{
        font-size:2.7rem;
    }

    nav ul{
        display:none;
    }

}

.card h3 i{
    margin-right:10px;
    color:#06b6d4;
}

.socials a{

    display:flex;
    align-items:center;
    gap:10px;

}

.socials i{

    color:#06b6d4;
    font-size:1rem;

    transition:.3s;

}

.socials a:hover i{

    color:#ffffff;

}

.buttons{

    display:flex;
    justify-content:center;
    align-items:center;
    gap:22px;

    margin-top:45px;

    flex-wrap:wrap;

}

.btn{

    display:flex;
    align-items:center;
    justify-content:center;
    gap:12px;

    padding:18px 34px;

    font-size:1rem;
    font-weight:700;

    border-radius:18px;

    text-decoration:none;

    transition:.35s ease;

    position:relative;

    overflow:hidden;

}

.btn i{

    font-size:1.15rem;

}

.primary{

    background:linear-gradient(
            135deg,
            #7c3aed,
            #06b6d4
    );

    box-shadow:
            0 12px 45px rgba(124,58,237,.35);

    color:white;

}

.primary:hover{

    transform:translateY(-6px) scale(1.03);

    box-shadow:
            0 18px 60px rgba(124,58,237,.55);

}

.secondary{

    background:rgba(10,102,194,.12);

    border:1px solid rgba(10,102,194,.35);

    backdrop-filter:blur(12px);

    color: #177adc;

}
.secondary:hover{

    transform:translateY(-6px);

    border-color:#06b6d4;

    background:
            rgba(6,182,212,.12);

    box-shadow:
            0 10px 35px rgba(6,182,212,.25);

}

nav{

    background:var(--card);

    border:1px solid var(--border);

}

.logo{

    display:flex;

    align-items:center;

    gap:18px;

}

.logo-dot{

    width:14px;
    height:14px;

    border-radius:50%;

    background:
            linear-gradient(
                    135deg,
                    #7c3aed,
                    #06b6d4
            );

    box-shadow:
            0 0 25px #7c3aed;

}

.logo-text{
    color:var(--text);
    display:flex;
    flex-direction:column;

}

.logo-text small{

    color:var(--text);

    font-size:.72rem;

    margin-top:4px;

    letter-spacing:.12rem;

    text-transform:uppercase;

}

.logo{

    font-size:1.15rem;

    font-weight:800;

    color:#ffffff;

}

nav ul{

    display:flex;

    align-items:center;

    gap:34px;

    list-style:none;

}

nav a{

    font-size:.98rem;

    font-weight:600;

    color:var(--text);

    text-decoration:none;

    position:relative;

    transition:.35s ease;

}

nav a::after{

    content:"";

    position:absolute;

    bottom:-8px;
    left:0;

    width:0;

    height:2px;

    background:
            linear-gradient(
                    90deg,
                    #7c3aed,
                    #06b6d4
            );

    transition:.35s;

}

nav a:hover{

    color:white;

}

nav a:hover::after{

    width:100%;

}